Showing that you shouldn't draw conclusions based on too few facts, new NASA research suggests that a decades-old view of ...

For decades, Uranus has held the title of the coldest planet in the solar system, with atmospheric temperatures plunging to ...

Early observations of the planets revealed worlds far different from Earth, demonstrating that the universe was far more ...

THE mysterious interstellar object blazing through our solar system could be a piece of “possibly hostile” alien technology, ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

The other object is 2014 NX 65, which is definitely not resonant with Uranus but might have an inner 3:2 resonance with ...

This object is the first confirmed body that orbits the sun once for every ten orbits Neptune completes.

A NEW Earth-sized planet has been discovered in a faraway constellation – and it would kill any astronaut who dare travel ...

Even today, this icy, ringed oddball continues to keep scientists guessing. Uranus spins sideways, so each pole gets blasted ...

For millennia, astronomers thought Uranus was no more than a distant star. It wasn’t until the late 18th century that Uranus was universally accepted as a planet. To this day, the ringed, blue world ...

Astronomers have discovered a "fossil" world lying in the outskirts of the solar system, according to new research.

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...